  <header class="site-header">
    <nav class="site-nav container">
      <a href="../index.html" class="site-nav__brand" aria-label="西部车网（重庆）">
        <svg aria-hidden="true" width="28" height="28" viewBox="0 0 24 24" fill="none">
          <text x="12" y="17" text-anchor="middle" font-size="14" font-weight="700" fill="currentColor">Ju</text>
        </svg>
        <span>武工工业智研院</span>
      </a>
      <ul class="site-nav__links">
        <li><a class="site-nav__link" href="about.html">关于我们</a></li>
        <li><a class="site-nav__link" href="services.html">业务</a></li>
        <li><a class="site-nav__link" href="products.html">互动</a></li>
        <li><a class="site-nav__link" href="solutions.html">解决方案/案例</a></li>
        <li><a class="site-nav__link" href="team.html">团队</a></li>
        <li><a class="site-nav__link" href="contact.html">联系我们</a></li>
      </ul>
      <button id="menuBtn" class="site-nav__toggle" aria-label="打开菜单">
        <svg aria-hidden="true" width="18" height="12" viewBox="0 0 18 12" fill="none">
          <path d="M1 1H17M1 6H17M1 11H17" stroke="currentColor" stroke-width="1.6" stroke-linecap="round"></path>
        </svg>
      </button>
    </nav>
    <div id="mobileMenu" class="mobile-menu">
      <div class="container">
        <div class="mobile-menu__list">
          <a class="mobile-menu__link" href="about.html">关于我们</a>
          <a class="mobile-menu__link" href="services.html">业务</a>
          <a class="mobile-menu__link" href="products.html">互动</a>
          <a class="mobile-menu__link" href="solutions.html">解决方案/案例</a>
          <a class="mobile-menu__link" href="team.html">团队</a>
          <a class="mobile-menu__link" href="contact.html">联系我们</a>
        </div>
      </div>
    </div>
  </header>
